Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Pinpoint Test K: The Battery Saver Does Not Deactivate After Time-Out
2010 Ford Edge FWD V6-3.5LSECTION Pinpoint Test K: The Battery Saver Does Not Deactivate After Time-Out
Interior Lighting
Pinpoint Tests
Pinpoint Test K: The Battery Saver Does Not Deactivate After Time-Out
Refer to Wiring Diagram Set 89, Interior Lamps for schematic and connector information. Diagrams By Number
Normal Operation
The Smart Junction Box (SJB) controls the battery saver function. The battery saver function provides automatic shut-off of the interior lamps (courtesy lamps and demand lamps) after 10 minutes have elapsed in order to save battery power.
This pinpoint test is intended to diagnose the following:
- Wiring, terminals or connectors
- SJB
PINPOINT TEST K: THE BATTERY SAVER DOES NOT DEACTIVATE AFTER TIME-OUT
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K1 CHECK THE SJB IGNITION SWITCH PIDs
- Ignition ON.
- Enter the following diagnostic mode on the scan tool: SJB DataLogger.
- Monitor the SJB ignition switch PIDs (IGN_A_ECU, IGN_O_ECU, IGN_R_ECU and IGN_S_ECU) while rotating the ignition switch through all positions.
- Do the ignition switch PIDs agree with the ignition switch positions?
Yes
GO to K2.
No
REFER to Steering Column.
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K2 CHECK THE DEMAND LAMP VOLTAGE SUPPLY CIRCUIT FOR A SHORT TO VOLTAGE
- Ignition OFF.
- Disconnect: SJB C2280d.
- Ignition ON.
- Switch any demand lamp on.
- Does the demand lamp illuminate?
Yes
REPAIR circuit CLN09 (YE/GN) for a short to voltage. TEST the system for normal operation.
No
GO to K3.
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K3 CHECK FOR CORRECT SJB OPERATION
- Disconnect all the SJB connectors.
- Check for:
- corrosion
- damaged pins
- pushed-out pins
- Connect all the SJB connectors and make sure they seat correctly.
- Operate the system and verify the concern is still present.
- Is the concern still present?
Yes
INSTALL a new SJB. REFER to Body Control Systems. TEST the system for normal operation.
No
The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector.
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RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.